<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>

  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>

  <!-- 1.对象的引用赋值 -->
  <script>
    // 对象是引用类型
    // const info = {name: "why", age: 18};
    // const obj = info;
    // info.name = "kobe";
    // console.log(obj.name);
  </script>

  <!-- 2.对象的浅拷贝 -->
  <script>
    const info = {name: "why", age: 18, friend: {name: "kobe"}};
    // const obj = Object.assign({}, info);

    // lodash
    const obj = _.clone(info);

    // info.name = "kobe";
    // console.log(obj.name);

    // info.friend.name = "james";
    // console.log(obj.friend.name);
  </script>

  <!-- 3.对象的深拷贝 -->
  <script>
    // _.cloneDeep(info)

    // const info = {name: "why", age: 18, friend: {name: "kobe"}};
    // const obj = JSON.parse(JSON.stringify(info));
    // info.friend.name = "james";
    // console.log(obj.friend.name);
  </script>

</body>
</html>